True book

Up the mountain : what do the cold and lack of sun do to tundra plants? -- Tundra types : what are the three types of tundra? -- The big truth: Land of the giants: what prehistoric animals lived on the tundras? -- Tundra then and now: What is Earth's youngest ecosystem? -- Species in danger: How does the disappearance of one species affect others? -- Why the tundra matters: Melting tundra creates what greenhouse gases? -- The tundra and our future: How do we know the tundra is warmer than before? -- True statistics

Explains what tundras are like, looks at the three types of tundras, discusses the prehistoric animals that lived on the tundra, as well as the species found there in the twenty-first century, and includes information on why tundras are important and what is being done to save them

870L